On Fri, Nov 11, 2011 at 10:25 AM, Paul Johnson <pauljoh...@gmail.com> wrote: > Suppose > > plotx <- "someName" > modx <- "otherName" > plotxRange <- c(10,20) > modxVals <- c(1,2,3) > > It often happens I want to create a dataframe or object with plotx or > modx as the variable names. But can't understand syntax to do that. > > I can get this done in 2 steps, creating the data frame and then > assigning names, as in > > newdf <- data.frame( c(1, 2, 3, 4), c(4, 4, 4, 4)) > colnames(newdf) <- c(plotx, modx) > > I was trying to hit this in one step, but can't find how. If I could > get this in one step, it would simplify some book keeping, because > this current method requires me to build up the name vector to match > newdf, and sometimes I make mistakes. > > After the data.frame already exists, I understand I can insert new > variables using the variable names with syntax like > > newdf[[plotx]] <- c(23, 23, 23, 23) >
Try this: newdf <- setNames(data.frame( c(1, 2, 3, 4), c(4, 4, 4, 4)), c(plotx, modx)) -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel